Предмет: Алгебра, автор: Konyushok

Які із пар чисел є розв'язком рівняння 7х-3y=15 （даю 50 за правильну відповідь）

papaj: так а пары чисел где?

Ответы

Автор ответа: ahmatdiana27

Ответ:

$7x - 3y = 15 \\ 7x = 15 + 3y \\ x = \frac{15}{7 } + \frac{3}{7} y$

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